O’Fallon is part of the St. Louis region, which is the nexus of the nation’s north/south and east/west interstate highway systems. Three (soon to be four) interchanges off I-64 provide a short commute to Downtown St. Louis and access to a large pool of customers and workers for businesses.

O’Fallon is the most sought after destination for businesses and homeowners in the region, consistently ranking as the fastest-growing city in the Metro East and the fifth fastest-growing suburb in the St. Louis area.

The City is home to national retailers and service providers in addition to regionally and locally owned establishments, many of which are located in our historic downtown.

In 2014, O’Fallon was named the 5th Happiest City in Illinois by CreditDonkey. In 2015, O’Fallon was named the 18th Best City for Veterans in America by NerdWallet and the 103rd Best Small City in America by WalletHub.

O’Fallon serves as a destination location for a much larger St. Louis Metro East market.

Interstate 64 provides the ability to draw from neighboring communities and points 40 miles to the east.

O’Fallon’s Destination Market includes nearly 300,000 people.

The City boasts a highly educated workforce, with nearly 50% of the population holding a bachelor’s degree or higher.  Our public schools are renowned throughout the St. Louis area, and O’Fallon Township High School (OTHS) District 203 is ranked as one of the best in the country.

Our residents have incomes exceeding local and national benchmarks and use their disposable income in the numerous establishments in and around our community.

We are home to Scott Air Force Base, which has been an economic boon to the community by employing over 13,000 people and having an estimated economic impact of over $4 billion in the region.

O’Fallon is the epicenter of the emerging “Healthcare Highway” on I-64 with St. Elizabeth’s Hospital opening at Exit 14 in November 2017 bringing an additional 250,000 visitors to this interchange annually.


O’Fallon is centered on a substantial market with over $3 billion in retail spending power within its 300,000-person destination market.

O’Fallon’s position as a regional shopping and dining destination is exemplified by the sheer surpluses shown in the adjacent chart.

Actual sales far exceed the demand of O’Fallon residents by nearly 35%.

O’Fallon residents have an overall retail demand of $535,296,579 and O’Fallon businesses have retail sales totaling $719,776,640.


O’Fallon is a city that is filled with growing families and expanding every year. The city itself has a population of approximately 31,000 with a median age of 37.9, but draws from a large destination market that includes almost 300,00 people up to 40 miles to the east.

O’Fallon consistently ranks as the fastest-growing city in the Metro East region and the fifth fastest-growing suburb in the St. Louis Metropolitan Area. According to recent growth trends, the population of O’Fallon could reach over 50,000 by the year 2040. O’Fallon has room to grow and its population is sure to expand as residents and visitors continue to discover the great amenities O’Fallon has to offer.


O’Fallon experienced substantial population growth from 1990 (16,550) to 2000 (22,272). Between 2000 and 2010, O’Fallon’s population grew by 27.24% to 28,396. O’Fallon is now the third largest community in the St. Louis Metro East Region and is among the fastest growing. Due to O’Fallon’s close proximity to Scott Air Force Base, the population receives a boost from military and federal civilian personnel, defense contractors, and military retirees.


O’Fallon’s location in the St. Louis Metro and proximity to Scott Air Force Base provides a dynamic blend of citizens that have chosen to live in O’Fallon.



O’Fallon sits along U.S. Interstate 64 (I-64) at Exits 14, 16, 19 and the under construction Exit 21. In close vicinity of O’Fallon, I-64 connects to I-55, I-70, I-255, I-270 and I-57 in Illinois and I-170, I-370, and I-44 in Missouri. O’Fallon is also dissected by major connectors such as U.S. Highway 50 and Illinois Route 158, an important east-west highway in the southeastern portions of the St. Louis area.


O’Fallon has multiple airports within close proximity, including Lambert-St. Louis International Airport, MidAmerica Airport, and St. Louis Downtown Airport.

The St. Louis area’s main airport, Lambert-St. Louis International, is located a mere 30-minute drive from O’Fallon. Lambert is a national hub with two terminals and five concourses, serving nine mainline passenger airlines and three all-cargo airlines, as well as a few charter carriers. MidAmerica Airport, located adjacent to O’Fallon, serves cargo, commercial, and military flights and St. Louis Downtown Airport in Sauget, Illinois provides quick access to the downtown area.


The St. Louis region has state-of-the-art intermodal facilities providing many advantages to the freight transportation business, including reductions in cargo handling, improved security, reduced damages and loss, and faster freight transportation. The major intermodal facilities in the region include: BNSF Intermodal, CSX Intermodal, Norfork Southern Intermodal, America’s Central Port District, Triple Crown Services, and Union Pacific Intermodal.


O’Fallon is connected by road and rail to the St. Louis region’s barge and shipping industry that operates on the Mississippi River. About 100 million tons of commodities float past St. Louis each year. St. Louis ranked as the nation’s second-busiest inland port in 2011, and easily the most diverse. Food products comprise about one-third of traffic, coal nearly another third, and the rest a collection of goods from fertilizer to scrap metal to salt.


O’Fallon is known throughout the region for its excellence in education at all levels. Our students consistently score above average in state testing. There are two public elementary school districts: Central District 104 and District 90. The Central School District, serving 600 students, consists of kindergarten through eighth grade, while District 90 serves more than 3,200 students, also kindergarten through eighth grade. The community has two private schools, seven elementary schools, three middle schools and two campuses of O’Fallon Township High School District 203, serving 2,500 students, which is ranked one of the best in the country by the U.S. Department of Education.

O’Fallon Township High School (OTHS) has been nationally recognized by the U.S. News & World Report as one of the best high schools in Illinois and received a bronze medal award, which recognizes high-performing schools based on state exam performance.

O’Fallon Township High School’s average ACT score for the graduating class of 2014 was 23.1, placing the school in the top eight percent (8%) of the schools in the State of Illinois, and it is competitive with high-performing high schools across the country. In addition, the school’s average ACT score was the highest score earned in the St. Louis Metro East area.


The majority of O’Fallon’s 14,097 employees are located in positions considered white collar according to ESRI. 25% of the city’s workforce is in the “professional” classification and just under 19% of the population is in the “management/business/financial” fields. The highest blue collar job market is “transportation/material moving” at just under 5% of the population.


O’Fallon has continued to see the housing market grow over the past 5 years. O’Fallon has seen the median value of the housing stock increase over 5% from the estimated median value in 2013 of $224,047 to an estimated median value of $235,615 in 2015.

Developers, business owners, families, retirees, and numerous others are deciding to invest their future in O’Fallon. The City, in turn, continues to reward them with a collection of excellent quality services, a highly competitive business atmosphere, great schools, and a warm and welcoming community.


O’Fallon’s future is bright. With the construction of multiple medical campuses and an increase in residential and commercial construction, O’Fallon is sure to continue as one of the fastest growing communities in the St. Louis Region. Community leaders look towards the future to continue O’Fallon’s growth in a controlled manner that best meets the needs of residents, businesses, and visitors in O’Fallon.

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